10 20 30 40 50 GUUCACGUGCGUCUCUUG---| C U U GU GCU UAGCUU UCAGGCC GCU GUGGGGCU AUGCAAUC A GUCGGA AGUCCGG UGA UAUUCCGA UACGUUAG G UAGUUAAAAUUGCUACGGACG^ U - U -- GCA 110 100 90 80 70 60